Base | Representation |
---|---|
bin | 111100010000011011… |
… | …001111111110101000 |
3 | 20012000001122000201011 |
4 | 330100123033332220 |
5 | 2030001210310412 |
6 | 45420043233304 |
7 | 4450220450563 |
oct | 742033177650 |
9 | 205001560634 |
10 | 64700088232 |
11 | 254915709aa |
12 | 10657b18834 |
13 | 614141c1a0 |
14 | 31baba54da |
15 | 1a3a1b67a7 |
hex | f106cffa8 |
64700088232 has 16 divisors (see below), whose sum is σ = 130644409140. Its totient is φ = 29861579136.
The previous prime is 64700088169. The next prime is 64700088239. The reversal of 64700088232 is 23288000746.
It can be written as a sum of positive squares in 2 ways, for example, as 64157850436 + 542237796 = 253294^2 + 23286^2 .
It is a super-3 number, since 3×647000882323 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (64700088239) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311058013 + ... + 311058220.
Almost surely, 264700088232 is an apocalyptic number.
It is an amenable number.
64700088232 is an abundant number, since it is smaller than the sum of its proper divisors (65944320908).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64700088232 is a wasteful number, since it uses less digits than its factorization.
64700088232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 622116252 (or 622116248 counting only the distinct ones).
The product of its (nonzero) digits is 129024, while the sum is 40.
Adding to 64700088232 its reverse (23288000746), we get a palindrome (87988088978).
The spelling of 64700088232 in words is "sixty-four billion, seven hundred million, eighty-eight thousand, two hundred thirty-two".
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